[12136] | 1 | #region License Information
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| 2 | /* HeuristicLab
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| 3 | * Copyright (C) 2002-2015 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
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| 4 | *
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| 5 | * This file is part of HeuristicLab.
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| 6 | *
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| 7 | * HeuristicLab is free software: you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation, either version 3 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * HeuristicLab is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
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| 19 | */
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| 20 | #endregion
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| 21 |
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| 22 | using System.Linq;
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| 23 | using HeuristicLab.Common;
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| 24 | using HeuristicLab.Core;
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| 25 | using HeuristicLab.Data;
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| 26 | using HeuristicLab.Operators;
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| 27 | using HeuristicLab.Parameters;
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| 28 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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| 29 |
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| 30 | namespace HeuristicLab.Algorithms.ALPS.SteadyState {
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| 31 | [Item("SteadyStateMatingPoolCreator", "")]
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| 32 | [StorableClass]
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| 33 | public class SteadyStateMatingPoolCreator : SingleSuccessorOperator {
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[12159] | 34 | private ILookupParameter<IScope> WorkingScopeParameter {
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| 35 | get { return (ILookupParameter<IScope>)Parameters["WorkingScope"]; }
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| 36 | }
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[12171] | 37 | private ILookupParameter<IScope> LayersParameter {
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| 38 | get { return (ILookupParameter<IScope>)Parameters["Layers"]; }
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| 39 | }
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[12159] | 40 | private ILookupParameter<IntValue> LayerParameter {
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| 41 | get { return (ILookupParameter<IntValue>)Parameters["Layer"]; }
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| 42 | }
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[12171] | 43 | private ILookupParameter<IntArray> AgeLimitsParameter {
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| 44 | get { return (ILookupParameter<IntArray>)Parameters["AgeLimits"]; }
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| 45 | }
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| 46 | private ILookupParameter<IntValue> NumberOfLayersParameter {
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| 47 | get { return (ILookupParameter<IntValue>)Parameters["NumberOfLayers"]; }
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| 48 | }
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| 49 | private ILookupParameter<IntValue> EvaluatedSolutionsParameter {
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| 50 | get { return (ILookupParameter<IntValue>)Parameters["EvaluatedSolutions"]; }
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| 51 | }
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| 52 | private ILookupParameter<IntValue> PopulationSizeParameter {
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| 53 | get { return (ILookupParameter<IntValue>)Parameters["PopulationSize"]; }
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| 54 | }
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[12136] | 55 |
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| 56 | [StorableConstructor]
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| 57 | private SteadyStateMatingPoolCreator(bool deserializing)
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| 58 | : base(deserializing) { }
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| 59 | private SteadyStateMatingPoolCreator(SteadyStateMatingPoolCreator original, Cloner cloner)
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| 60 | : base(original, cloner) { }
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| 61 | public override IDeepCloneable Clone(Cloner cloner) {
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| 62 | return new SteadyStateMatingPoolCreator(this, cloner);
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| 63 | }
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| 64 | public SteadyStateMatingPoolCreator()
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| 65 | : base() {
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[12159] | 66 | Parameters.Add(new LookupParameter<IScope>("WorkingScope"));
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[12171] | 67 | Parameters.Add(new LookupParameter<IScope>("Layers"));
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[12159] | 68 | Parameters.Add(new LookupParameter<IntValue>("Layer"));
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[12171] | 69 | Parameters.Add(new LookupParameter<IntArray>("AgeLimits"));
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| 70 | Parameters.Add(new LookupParameter<IntValue>("NumberOfLayers"));
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| 71 | Parameters.Add(new LookupParameter<IntValue>("EvaluatedSolutions"));
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| 72 | Parameters.Add(new LookupParameter<IntValue>("PopulationSize"));
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| 73 |
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[12136] | 74 | }
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| 75 |
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| 76 | public override IOperation Apply() {
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[12159] | 77 | int layerNumber = LayerParameter.ActualValue.Value;
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| 78 | var workingScope = WorkingScopeParameter.ActualValue;
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[12171] | 79 | var layers = LayersParameter.ActualValue;
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| 80 | var ageLimits = AgeLimitsParameter.ActualValue;
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| 81 | int numberOfLayers = NumberOfLayersParameter.ActualValue.Value;
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| 82 | int evaluations = EvaluatedSolutionsParameter.ActualValue.Value;
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| 83 | int popSize = PopulationSizeParameter.ActualValue.Value;
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[12136] | 84 |
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[12171] | 85 | var currentLayer = layers.SubScopes[layerNumber].SubScopes;
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| 86 | var prevLayer = layerNumber > 0 ? layers.SubScopes[layerNumber - 1].SubScopes : Enumerable.Empty<IScope>();
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[12159] | 87 |
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[12171] | 88 | var ageLimit = layerNumber < numberOfLayers - 1 ? ageLimits[layerNumber] : int.MaxValue;
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[12136] | 89 |
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[12171] | 90 | var matingPool =
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| 91 | from individual in currentLayer.Union(prevLayer)
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| 92 | let evalsCreated = ((IntValue)individual.Variables["EvalsCreated"].Value).Value
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| 93 | let age = (evaluations - evalsCreated) / popSize
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| 94 | where age < ageLimit
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| 95 | select (IScope)individual.Clone();
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| 96 |
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| 97 | foreach (var individual in matingPool) {
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| 98 | workingScope.SubScopes.Add(individual);
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[12136] | 99 | }
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| 100 | return base.Apply();
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| 101 | }
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| 102 | }
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| 103 | } |
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